Getting the latest SpiderMonkey source code from Mercurial

The following command line downloads the entire Mozilla repository, including the full change history and a lot of Gecko and Firefox source code that isn't part of SpiderMonkey. It also changes to the SpiderMonkey directory (js/src).

If you have problems with the instructions above, you can read the full details of using Mercurial to get Mozilla code here. That page also contains links to several bundles, which can be useful if you have a poor network connection.

Getting the latest SpiderMonkey source code from Git

The following command line downloads the entire Mozilla repository, including the full change history and a lot of Gecko and Firefox source code that isn't part of SpiderMonkey. It also changes to the SpiderMonkey directory (js/src).

Getting older SpiderMonkey sources from CVS

Note: You will need to explicitly fetch the JavaScript shell sources even if you currently build another Mozilla project, as there are files specific to the shell that are not normally found in a Mozilla source tree.

Just like when you're fetching any other Mozilla project from CVS, you need to log into the CVS server first. To do this, cd into the base directory you'd like to check out the code into, then enter the following command at your command line:

cvs -d :pserver:anonymous@cvs-mirror.mozilla.org:/cvsroot login

When prompted, enter the password anonymous.

Once you've logged in, cd into the root of your CVS tree and enter the following command: